Dell Latitude 5424 Rugged Service Manual page 6

Removing the LCD with bezel and the display back cover assembly........................................................... 122
Installing the LCD with bezel and the display back cover assembly..............................................................124
Microphone....................................................................................................................................................................... 126
Removing the Microphone...................................................................................................................................... 126
Installing the Microphone.........................................................................................................................................127
Camera............................................................................................................................................................................... 128
Removing the Camera.............................................................................................................................................. 128
Installing the Camera................................................................................................................................................ 129
Battery Bay ...................................................................................................................................................................... 130
Removing the Battery bay.......................................................................................................................................130
Installing the Battery bay .........................................................................................................................................131
Left I/O board.................................................................................................................................................................. 132
Removing the Left I/O daughterboard.................................................................................................................132
Installing the Left I/O Board................................................................................................................................... 133
Smart Card........................................................................................................................................................................ 135
Removing the Smart Card Reader.........................................................................................................................135
Installing the Smart Card Reader........................................................................................................................... 137
ExpressCard Reader....................................................................................................................................................... 139
Removing the ExpressCard Reader.......................................................................................................................139
Installing the ExpressCard Reader..........................................................................................................................141
Speaker.............................................................................................................................................................................. 142
Removing the Speaker..............................................................................................................................................142
Installing the Speaker................................................................................................................................................143
System board....................................................................................................................................................................144
Removing the System board................................................................................................................................... 144
Installing the System board..................................................................................................................................... 147
Bottom Base Assembly................................................................................................................................................... 151
Chapter 4: Diagnostics...............................................................................................................154
ePSA Diagnostics.............................................................................................................................................................154
Validation Tools ......................................................................................................................................................... 157
LCD Built-in Self Test (BIST)....................................................................................................................................... 163
Battery Status Lights......................................................................................................................................................164
Diagnostic LED................................................................................................................................................................. 164
WiFi power cycle..............................................................................................................................................................165
BIOS recovery.................................................................................................................................................................. 165
BIOS recovery using hard drive..............................................................................................................................166
BIOS recovery using USB drive..............................................................................................................................166
Self-Heal............................................................................................................................................................................ 167
Course Introduction...................................................................................................................................................167
Self-Heal Instruction................................................................................................................................................. 167
Supported Latitude Models..................................................................................................................................... 167
Chapter 5: Getting help............................................................................................................. 169
Contacting Dell.................................................................................................................................................................169
6 Contents